Headphones MP3 Player Bluetooth 5.0 Bone-Conduction Bluetooth Headset For Sports Description: 1. Bone Conduction Design:The sound transmits through the bone to the auditory nerve, no need to put into ear, no eardrum damage, good for the user to avoid ear disease and hearing losing. 2.Ear-free Keeping Danger Away:Release your ears to listen to the world, you can respond to the surrounding situation quickly, far away from danger. 3.Born for Sports:IP56 Sweat-resistant and 33g light-weight design immerse you in sports and music, suitable for walking, hiking, running, climbing, skating, driving, and other activities. 4.BT 5.0 Connection:BT 5.0 ensures high data transfer speed, stable connection, and low power consumption. Free to enjoy hands-free calls or BT music via BT connection. 5.Long Battery Life:230mAh rechargeable Lithium battery provides up to 6 hours of playback time on one full charge and the standby time can last to 15 days. Specification: Model Number: A9 BT Version: 5.0 BT IC: BES 230s BT Profile: A2DP, HFP, HSP, AVRCP, AVDTP Operation range: Up to 10 meters (no obstacle) Frequency Range: 20-20KHz Receiving Sensitivity: 86dB Impedance: 16Ω Mic: -35dB, anti-interference microphones Waterproof: IP56 Battery Capacity: 230mAh Music Playing Time: up to 6 hours (depends on music volume) Standby Time: 15 days Charging Time: about 2 hours Charging Port: Type-C Main Item Size: Approx. 15.4 x 10.6 x 5.4cm/6.06 x 4.17 x 2.12in Main Item Weight: 33g/1.16oz Package Size: 17.7 x 12.6 x 5.9cm/6.96 x 4.96 x 2.32in Package Weight: 208g/7.33oz Package Includes: 1x Bone Conduction Headphone 1 x Type-C Charging Cable 1 Pair of Earplug Bluetooth Headset The More You Buy, the Better the Deal Christmaschristmas Decorations Before Christmaschristmas Decorations Clearancethe Before Christmasholidaynightmare Before Christmas Popchristmas Clearance To Better Fit You,please Do Measure the Size and Compare to the Size Chart Before Placing Order. AFTER SALE SERVICE: 30 Days after sales service and exchange, reply you within 24 hours to solve your problem.